Tool · 01
Dosage calculator.
Pick a substance and a route. We'll show you color-coded ranges from threshold to heavy, with expected timing.
Informational only
Ranges are harm-reduction guidance compiled from open sources. Body chemistry, tolerance, food, and actual purity all change your dose. Not medical advice.
Dose ranges · mg
Threshold
5 mg
Barely perceptible
Light
10–15 mg
Gentle, manageable
Common
15–25 mg
Typical recreational
Strong
25–40 mg
Intense, experienced only
Heavy
40 mg
High risk of harm
Duration · min
- Onset
- 45–90 min
- Peak
- 2–4h
- Offset
- 2–4h
- After
- 2–6h
Always start at the bottom of the range. Wait the full onset window before considering a redose.